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Japan is a mature communications market, and one of the most advanced markets globally. In 2017, its mobile and fixed broadband subscription counts grew 2.6% and 1.3% year on year, respectively.


  • Operators have been carrying out trials of 5G and Japan has allocated spectrum specifically for IoT/M2M.

Features and Benefits

  • Offers details of the relevant regulated markets and the players identified as dominant in these markets.
  • Provides a detailed understanding of the regulatory environment in the Japan.
  • Understand the regulatory conditions that helped create the world's most advanced telecoms industries.

Key questions answered

  • What is the current regulatory environment in the Japanese telecoms industry?
  • What remedies are imposed at the retail and wholesale levels for fixed and mobile services in the Japan?

Table of contents


  • In brief
  • Ovum view

Regulatory framework

  • National regulatory authority
  • Key legislation and regulation


  • Spectrum policy
  • Wireless licensing

Wholesale fixed regulation

  • Services subject to regulation
  • Voice interconnection
  • Wholesale access
  • Wholesale broadband services

Wholesale mobile regulation

  • Services subject to regulation
  • Mobile termination charges
  • Roaming obligations
  • MVNO access

Other services subject to regulation

  • The retail market
  • The regulation of bundles
  • Quality of service
  • Advertising of broadband speeds
  • Terminating and switching out of contracts
  • VoIP
  • Regulatory position on OTTs
  • Regulatory position on IoT/M2M
  • Numbering policy
  • Data protection regulation

Universal service

  • Universal service provider
  • Universal service fund
  • Universal service obligation for broadband


  • Methodology
  • Further reading
  • Author